25766820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 78604344

約数和(自身を除く): 52837524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 557, 771, 1028, 1114, 1285, 1542, 1671, 2228, 2313, 2570, 2785, 3084, 3342, 3855, 4626, 5013, 5140, 5570, 6684, 7710, 8355, 9252, 10026, 11140, 11565, 15420, 16710, 20052, 23130, 25065, 33420, 46260, 50130, 100260, 143149, 286298, 429447, 572596, 715745, 858894, 1288341, 1431490, 1717788, 2147235, 2576682, 2862980, 4294470, 5153364, 6441705, 8588940, 12883410, 25766820]

約数ペア:

[(1, 25766820), (2, 12883410), (3, 8588940), (4, 6441705), (5, 5153364), (6, 4294470), (9, 2862980), (10, 2576682), (12, 2147235), (15, 1717788), (18, 1431490), (20, 1288341), (30, 858894), (36, 715745), (45, 572596), (60, 429447), (90, 286298), (180, 143149), (257, 100260), (514, 50130), (557, 46260), (771, 33420), (1028, 25065), (1114, 23130), (1285, 20052), (1542, 16710), (1671, 15420), (2228, 11565), (2313, 11140), (2570, 10026), (2785, 9252), (3084, 8355), (3342, 7710), (3855, 6684), (4626, 5570), (5013, 5140)]